Audi R8 42 Edge Protection Roof Sill Seal Gasket Front Left N/S 420854543

Audi R8 42 Edge Protection Roof Sill Seal Gasket Front Left N/S is an original body component designed to protect the edge and the gap in the front area on the driver's side. Thanks to its precise fit to the R8 model's design, it ensures stable sealing, reduced cabin noise, and protection against moisture, while maintaining the vehicle's factory character.

Specifications and technical data

• SKU: 420854543
• Mark: Audi
• Condition: Used
• OEM Part Number: 420854543
• Substitutable numbers: 420854543, 420 854 543
• Location on the vehicle: Front, Left
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Purpose and function in the Audi R8 body

The presented Audi R8 42 Edge Protection Roof Sill Seal Gasket Front Left N/S is a part of the Window seals and moldings group, operating in the contact area between the body and the paneling elements on the front left side. Its tasks include:

• sealing the connection in the roof and sill area in the front part of the vehicle,
• limiting the ingress of water, dust, and dirt into the interior,
• reducing wind noise at higher speeds,
• protecting sheet metal edges against mechanical damage.

Thanks to a design matched to the specific geometry of the Audi R8 body, the seal works with adjacent body panels, maintaining the correct line and assembly gap.

Construction and fit for the front left zone

The element has been designed for installation in the front – left side of the vehicle area, which guarantees proper adhesion to the roof and sill edges. The seal profile is shaped to:

• ensure even pressure along the entire contact length,
• maintain tightness during typical body deformations while driving,
• maintain compatibility with factory mounts and guides.

The original Audi origin helps maintain visual and technical consistency with other body components, which is important both for post-accident repairs and for the precise restoration of a sports car.

Performance characteristics and installation benefits

As a used part, this seal is a practical solution for repairs where maintaining the original geometry and compatibility with factory mounting points is crucial. The main benefits of using this component include:

• factory fit for Audi R8 42 – no need for modifications or fitting universal profiles,
• maintaining tightness in the roof and sill area on the driver's side,
• limiting potential leaks and corrosion in the body edge area,
• preserving the original look and body lines.

Such a solution is particularly beneficial for repairs where compliance with the manufacturer's service documentation and assembly repeatability are important.

Selection by numbers and compatibility verification

The element has a dedicated OEM part number and associated interchangeable numbers, which facilitates unambiguous identification in Audi service catalogs and comparison with the currently installed component. Before purchasing, it is worth verifying the compatibility of the seal with the specific body version and vehicle year using catalog numbers and vehicle data.

If you want to learn more about the safe selection of components by catalog numbers and avoid mistakes when ordering online, the following guide will be helpful: online parts shopping without risk – verifying compatibility by OEM numbers.

Expanding the scope of work in the Audi sealing zone

If you are planning a comprehensive repair or upgrade of the body sealing zone in your Audi and need other elements from the same group, such as additional edge seals, window moldings, or protective profiles, check the available parts in the Audi window seals and moldings category.

Summary

Audi R8 42 Edge Protection Roof Sill Seal Gasket Front Left N/S is a practical, original body component designed to work in the front left part of the vehicle. It ensures tightness, edge protection, and consistency with the factory Audi design, providing a functional solution for repairs and restorations of the R8 sports model, where precision of fit and maintaining proper performance parameters are essential.